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Author Topic: Split Flux Transformer  (Read 51812 times)

lancaIV

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Re: Split Flux Transformer
« Reply #75 on: January 15, 2019, 05:44:44 PM »
Hi seaad, how are you  !
Conventional EE-technology : Maxwell-Ampere
For a n-p-n solarcell equivalent principle is for a motionless con-/ inverter the need of :
a. an electric emf circuit
b. a magnetic mmf circuit
and - logical- combinate each other !
The most known first industrial  trial has been by the Argentinian Subieta-Garron.Pre-industrial I would recognize the inventor Alexander Graham Bell as pioneer.
                                        -------------------------
To understand the internal emf and mmf streams I recomend to read ( with paper and pencil for notifications) the Keiichiro Asaoka publication related " static dynamo" based by conventional transformer technique :

https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=17&ND=3&adjacent=true&locale=en_EP&FT=D&date=19990720&CC=US&NR=5926083A&KC=A#
How many different directions and how many streams in one/ two/... cores !?
The coils,  beginning with their turns : ccw or cw?  Combined - bifiliar- coils?

The coils ccw or cw turns orientation related to the core internal flow directions!?

The effect from an open circuit air gap and closed : in efficiency by power savings !?
Saturation point attention : cristalin or amorph dynamo-core. !? Frequency range  for power density. !?

-----------------------------------
Later this "easy seeming " Keiichiro device :
https://worldwide.espacenet.com/publicationDetails/description?CC=JP&NR=2003009558A&KC=A&FT=D&ND=3&date=20030110&DB=EPODOC&locale=en_EP#

The EE-space and energy conversion potential is wide enough,  the device costs by Keiichiro view point :

Not " not expensive" , not  " inexpensive" but from " extremely inexpensive"  the inventor remarked !

-------------------------------------
For future power-densities look for Harold Goldbaum converter numbers, dependant from frequency :                                            " shoe-box dimension" :
https://contest.techbriefs.com/2013/entries/sustainable-technologies/3537
« Last Edit: January 15, 2019, 07:58:02 PM by lancaIV »

seaad

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Re: Split Flux Transformer
« Reply #76 on: January 16, 2019, 01:18:04 PM »
hi sead, i am talking about the one in the pics that you got 88 % ..
the output coils need to be close tight to the ferites,.

Ok understand. I'm going to do a test later but I'm not expecting much from a decreased diameter. I used 100 turns and vill test with 200 at the same freq next time an see if I can come close or above 100%.

A question to all;
Is this math formula relevant / valid for split flux transformers ??
 Volt x Amp x Cos to phase angle = Input wattage  Real Power.

Stand by. Arne

lancaIV

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Re: Split Flux Transformer
« Reply #77 on: January 17, 2019, 09:20:35 AM »
Hi seaad, how are you  !
Conventional EE-technology : Maxwell-Ampere
For a n-p-n solarcell equivalent principle is for a motionless con-/ inverter the need of :
a. an electric emf circuit
b. a magnetic mmf circuit
and - logical- combinate each other !
The most known first industrial  trial has been by the Argentinian Subieta-Garron.Pre-industrial I would recognize the inventor Alexander Graham Bell as pioneer.
                                        -------------------------
To understand the internal emf and mmf streams I recomend to read ( with paper and pencil for notifications) the Keiichiro Asaoka publication related " static dynamo" based by conventional transformer technique :

https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=17&ND=3&adjacent=true&locale=en_EP&FT=D&date=19990720&CC=US&NR=5926083A&KC=A#
How many different directions and how many streams in one/ two/... cores !?
The coils,  beginning with their turns : ccw or cw?  Combined - bifiliar- coils?

The coils ccw or cw turns orientation related to the core internal flow directions!?

The effect from an open circuit air gap and closed : in efficiency by power savings !?
Saturation point attention : cristalin or amorph dynamo-core. !? Frequency range  for power density. !?

-----------------------------------
Later this "easy seeming " Keiichiro device :
https://worldwide.espacenet.com/publicationDetails/description?CC=JP&NR=2003009558A&KC=A&FT=D&ND=3&date=20030110&DB=EPODOC&locale=en_EP#

The EE-space and energy conversion potential is wide enough,  the device costs by Keiichiro view point :

Not " not expensive" , not  " inexpensive" but from " extremely inexpensive"  the inventor remarked !

-------------------------------------
For future power-densities look for Harold Goldbaum converter numbers, dependant from frequency :                                            " shoe-box dimension" :
https://contest.techbriefs.com/2013/entries/sustainable-technologies/3537
https://tesla3.com/hilden-brand-jack/

seaad

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Re: Split Flux Transformer
« Reply #78 on: January 17, 2019, 11:40:45 AM »
Hi LankaIV
Thanks for all of your many good but misplaced suggestions.
The topic of this thread is Split Flux Transformer. Your hint about the 5 leg transformer was good and right here. Thanks for that!
 But as you now mentioned Jack Hildebrandt [ motor ] I can tell that I have conducted some experiments to  see if and how a Hildebrandt:s ON - OFF magnet control principle could be used as a prime mover in a split flux transformer / generator / induction situation. What I found so far is that his principle works great for devices that moves, as well as motors. Good when it comes to attract metals magetically.  But are not suitable at all in a transformer / generator,  concept. Thats my findings so far but they where only some quick tests and not deep enough. More testing must be done. So I can be wrong.

Regards Arne

lancaIV

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Re: Split Flux Transformer
« Reply #79 on: January 17, 2019, 11:53:51 AM »
Split Flux Transformer :
Split
Flux
Transformer

DC converter,"MEG", DC motor-DC generator ( independent: cw and ccw)

AC converter,"MEG",AC motor cw-AC alternator cw             

                        "MEG", AC motor ccw-AC alternator ccw
               
DC/AC inverter,"MEG",DC motor-AC alternator cw                         

                                       DC motor-AC alternator ccw


                 ergo converter/ inverter :: AC output : ccw or cw !? .... and ..... ?

                             Misplaced. ?

                            3 fluxes freedoms degrees : rotatory,  translatory,  linear                   

                           Rotative or as "MEG" or "MET"= motion-free transformer
                          "feedback" in an AC circuit ? Output cw or ccw and feedback input ?                                                                   

                            In an impulse DC or/ and impulse AC circuit ?
                           Winding turns right oriented ? Winding pulse turnings right oriented ?
                           AC sinus    positive 1/2 wave : ccw or cw and negative 1/2 wave : ccw or cw
                           AC sharp/ shark. ?

seaad

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Re: Split Flux Transformer
« Reply #80 on: January 19, 2019, 11:56:20 PM »
Ok understand. I'm going to do a test later but I'm not expecting much from a decreased diameter. I used 100 turns and vill test with 200 at the same freq next time an see if I can come close or above 100%.
 Arne

 @ seychelles
Hi, Have now made a second test with 200 turns to all windings. At 10 kHz it gave  n= 99% ,   At 5 kHz ; 98,4%   and   2 kHz ; 86%
Input: 3,4 V  Output: 1,4 V Output idle no load: 2,9 V

Regards Arne


seychelles

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Re: Split Flux Transformer
« Reply #81 on: January 20, 2019, 07:04:18 AM »
Thanks for your effort, great improvement.

seychelles

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Re: Split Flux Transformer
« Reply #82 on: January 20, 2019, 07:08:43 AM »
Now for an extra request, tune each coil to resonance
with series or parallel  capacitors. You might see some
better result..Each coil independently.

seaad

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Re: Split Flux Transformer
« Reply #83 on: January 20, 2019, 12:35:53 PM »
Now for an extra request, tune each coil to resonance
with series or parallel  capacitors. You might see some
better result..Each coil independently.

I have done a test with this "Main Principle Transformer" with all four input coils in parallel also.
The result was at 5 kHz parallel about 86 %  (At 5 kHz series ; 98,4% )

 To tune each individual coil with such hard coupling factor between all of them as we have here is (more or less) impossible.
Imagine hard hard coupling what will happen. It's not possible without special equipments as a (special) sweep generator or similar. That's a must.

The pic  below shows what happens when (only) TWO tuned coils have different coupling factor.
Lose coupling ==> single peak  . . .  Hard ==> duoble peak
I made a test with only one capacitor across all 4 parallel inputs at 6,8 kHz  That gave; n=68%

Arne
« Last Edit: January 20, 2019, 03:33:29 PM by seaad »

nul-points

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Re: Split Flux Transformer
« Reply #84 on: January 20, 2019, 03:42:11 PM »
hi seaad, so its gone from 88% to 99% just by tightening the winding on the core?    are the cores tightly clamped?


thanks
np

seaad

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Re: Split Flux Transformer
« Reply #85 on: January 20, 2019, 05:18:56 PM »
hi seaad, so its gone from 88% to 99% just by tightening the winding on the core?    are the cores tightly clamped?
thanks
np

"by tightening the winding on the core"
No, I took my 'normal' 100 turns test coils [ bicycle tire look alike ]  and twisted them so I got 200 turns from them.
 I haven't checked any tightening effect at all. Of course can that improve things here a bit but I know from experience from my earlier tests by raising the amount of turns to 200 turns, gives a much greater impact. And I was lazy too.   It would mean that I had to wind Four new coils.     Huuh  ;)

I know that the distance between a primary physically at a more perifere position from the secondary coil can affect the result both positively and negatively in different situations
as I found in my Figuera experiments for instance.

"are the cores tightly clamped?"
Thats really a relevant question.
 By using the top U cores as I-beams they creates a shorter magnetic path. But instead the back side of the U-cores is not as smooth as the rounded  top edges that fits exactly to each other. So yes,  here will be tiny gaps. And these first tests where only to find  some "potential".
More testing can certainly show the differences and improve the result because we can feel the smell of OU behind the 100 %.
 For instance to put the primarys at the four central "legs" beneath the secondary winding instead ??
 And go up in frequency . . . . . .

"clamped" = No / Yes  Gravity clamped  ::) ::)

Regars Arne
« Last Edit: January 20, 2019, 09:03:40 PM by seaad »

nul-points

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Re: Split Flux Transformer
« Reply #86 on: January 20, 2019, 09:37:00 PM »
ah ok, thanks Arne


yes, maybe i should have said 'closely', rather than 'tightly' for the windings, but it seems to be a positive move when you're ready to settle on a config


the core clamping possibly more important in a 'final' design - since the ferrite cores already have a default 'gap' due to the distributed mix inside the core


...when i look at that particular design i feel that there ought to be a propellor on the top of each leg   ;)


all the best
np

seaad

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Re: Split Flux Transformer
« Reply #87 on: January 21, 2019, 01:51:24 PM »
Hi, Have now made more tests with the "Main Principle Transformer".
 200 turns in all windings and different loads tested plus a bit reconfigurated cores.
At 10 kHz I got my best value around 99,5%.
This transformer falls into the category multi input primarys and givs a high performance as
my earier test in post #55  pos 3) did.
 
Arne

norman6538

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Re: Split Flux Transformer
« Reply #88 on: January 21, 2019, 02:22:09 PM »
Arnie where is the  Jack Hildebrandt  motor information.
Google gave me nothing.

Norman

lancaIV

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Re: Split Flux Transformer
« Reply #89 on: January 21, 2019, 03:15:31 PM »
Arnie where is the  Jack Hildebrandt  motor information.
Google gave me nothing.

Norman
https://peswiki.com/directory:hilden-brand-electromagnet-motor